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Installation Diagram; Indoor Unit Installation; Pipe Forming And Drain Piping - Mitsubishi Electric MSZ-GE22VAD Installation Manual

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1-4. INSTALLATION DIAGRAM

ACCESSORIES
Check the following parts before installation.
<Indoor unit>
(1) Installation plate
Installation plate fixing screw
(2)
4 × 25 mm
(3) Remote controller holder
Fixing screw for (3) 3.5 × 16 mm
(4)
(Black)
(5) Battery (AAA) for (6)
(6) Wireless remote controller
Felt tape
(7)
(For left or left-rear piping)
(8) Air cleaning filter
<Outdoor unit>
(9) Drain socket (VA type only)
(10) Drain cap ø 33 (GE50VA only)
PARTS TO BE PROVIDED
AT YOUR SITE
(A) Indoor/outdoor unit connecting wire*1
(B) Extension pipe
(C) Wall hole sleeve
(D) Wall hole cover
(E) Pipe fixing band
(F) Fixing screw for (E) 4 × 20 mm
(G) Piping tape
(H) Putty
Drain hose
(I)
(or soft PVC hose, 15 mm inner
diameter or hard PVC pipe VP16)
(J) Refrigeration oil
(K) Power supply cord*1
Note:
*1 Place indoor/outdoor unit connecting wire
(A) and power supply cord (K) at least 1 m
away from the TV antenna wire.
Units should be installed by licensed contractor
according to local code requirements.

2. INDOOR UNIT INSTALLATION

2-1. FIXING OF INSTALLATION PLATE
• Find a structural material (such as a stud) in the wall and fix installation plate (1) hori-
zontally by tightening the fixing screws (2) firmly.
• To prevent installation plate (1) from vibrating, be sure to install the fixing screws in
the holes indicated in the illustration. For added support, fixing screws may also be
installed in other holes.
• When the knockout is removed, apply vinyl tape to the knockout edges to prevent
damaging the wires.
• When bolts recessed in the concrete wall are to be utilized, secure installation plate (1)
using 11 × 20 · 11 × 26 oval hole (450 mm pitch).
• If the recessed bolt is too long, change it for a shorter one available in the market.
2-2. WALL HOLE DRILLING
1) Determine the wall hole position.
2) Drill a ø 65 mm hole. The outdoor side should be
5 to 7 mm lower than the indoor side.
3) Insert wall hole sleeve (C).
Bind the line to the center hole.
Installation plate (1)
Level
100 mm
or more
Wall
Fixing screw (2)
Align the plumb
line with the
mark
.
2-3. CONNECTING WIRES FOR INDOOR UNIT
You can connect indoor/outdoor lead wire without removing the front panel.
1) Open the front panel.
2) Remove VA clamp.
3) Pass indoor/outdoor unit connecting wire (A) from the back of the indoor unit and proc-
ess the end of the wire.
1
5
1
2
2
1
1
2
1
2
1
1
1
1
(GE25, 35, 42/GE50)
2 to 5
*2 100/500 mm or more when front
2 to 5
and sides of unit are clear
1
1
1 or 2
*3 When any 2 sides of left,
1
right and rear of unit are
1
clear
Appearance of the outdoor unit may differ from
some models.
Wall
ø 65 mm
Ceiling
54 mm or more
130 mm or more for left and left
back piping (using spacer)
110 mm
or more
100 mm
Insert
Align the
Center of
the
scale with
ø 65 mm hole
scale. *
the line. *
Plumb
* Same for left hole.
Be sure to use wall hole
sleeve (C) to prevent
indoor/outdoor connecting
wire (A) from contacting
metal parts in the wall and
to prevent damage by
rodents in case the wall is
hollow.
After the leak test, apply
insulating material tightly
so that there is no gap.
When the piping is to be at-
tached to a wall containing
metals (tin plated) or metal
netting, use a chemically
treated wooden piece 20
mm or thicker between the
wall and the piping or wrap
7 to 8 turns of insulation vi-
nyl tape around the piping.
To use existing piping, per-
form COOL operation for
30 minutes and pump down
before removing the old air
conditioner. Remake flare
according to the dimension
for new refrigerant.
GE25, 35 ,42VA
GE50VA
IMPORTANT NOTES
To comply with the requirements of Australian standard AS/NZS 3000 electri-
cal installations (wiring rules), the electrical wiring required between the
indoor and outdoor units must be installed by a licenced electrical contractor.
4) Loosen terminal screw, and connect first the earth wire, then indoor/outdoor unit con-
necting wire (A) to the terminal block. Be careful not to make mis-wiring. Fix the wire
to the terminal block securely so that no part of its core is appeared, and no external
force is conveyed to the connecting section of the terminal block.
5) Firmly tighten the terminal screws to prevent them from loosening. After tightening, pull
the wires lightly to confirm that they do not move.
6) Secure indoor/outdoor unit connecting wire (A) and the earth wire with the VA clamp.
Never fail to hook the left claw of the VA clamp. Attach the VA clamp securely.
Terminal block
5-7 mm
Outdoor
15 mm
side
35 mm
Lead wire
• For future servicing, give extra length to the
connecting wires.
Wall
• Make earth wire a little longer than others. (More
than 60 mm)
• Do not fold the excess wire, or cram it into small
space. Take caution not to damage the wires.
• Be sure to attach each screw to its
correspondent terminal when securing the cord
and/or the wire to the terminal block.
Note: Do not place the wires between the
indoor unit and the installation plate (1). Dam-
aged wire could cause heat generation or fire.

2-4. PIPE FORMING AND DRAIN PIPING

Pipe Forming
• Place the drain hose below the refrigerant piping.
• Make sure that the drain hose is not heaved or snaked.
• Do not pull the hose when applying the tape.
• When the drain hose passes the room, be sure to wrap
insulation material (obtainable at a store) around it.
Indoor unit
Wall hole
sleeve (C)
Cut off the
extra length.
Outdoor unit installation
150/169
mm
2/4-10 mm × 21mm slot
Drain piping for outdoor unit
<VA type only>
• Provide drain piping before indoor and
outdoor piping connection.
• Connect drain hose (I) I.D.15 mm as
shown in the illustration.
• Choose one hole for draining, and
install drain socket (9). Close the re-
maining two holes with drain cap (10)
(GE50VA only).
(9)
(I)
• Make sure to provide drain piping with
a downhill grade for easy drain flow.
Note:
Install the unit horizontally.
Do not use drain socket (9) in cold
regions. Drain may freeze and make the
(I)
(9)
(10)
fan stop.
Earth wire
(green/yellow)
Indoor/outdoor
unit
connecting wire
(A)
Wall hole cover (D)
Seal the wall hole
gap with putty (H).
Fix the pipe to wall
with pipe fixing
band (E).
Pipe fixing band
(E)
Fixing screw
(F)
(GE25, 35, 42/GE50)
800/840 mm
500 mm
Air inlet
Air outlet
40 mm
VA clamp
Fixing screw
Indoor/outdoor unit
connecting wire (A)
Indoor terminal block
Outdoor terminal block
Liquid pipe
Gas pipe
Indoor/outdoor unit
connecting wire (A)
Felt tape (7)
Piping tape (G)

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